A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Mapping and interworking of Diversion information Between Diversion and History-Info Headers in the Session Initiation Protocol (SIP)
Author : Marianne Mohali
Filename : draft-mohali-rfc6044bis-00.txt
Pages : 25
Date : 2014-02-14
Abstract:
[This version of the document is a draft version for an RFC6044bis
that will describe the mapping between the Diversion header defined
in RFC5806 and the new History-Info header defined in RFC7044.]
Although the SIP History-Info header is the solution adopted in IETF,
the non-standard Diversion header is nevertheless already implemented
and used for conveying call diversion related information in the
Session Initiation Protocol (SIP) signaling.
This document describes a recommended interworking guideline between
the Diversion header and the History-Info header to handle call
diversion information. In addition, an interworking policy is
proposed to manage the headers' coexistence. The non-standard
Diversion header is described, as Historic, in [RFC5806]. The
History-Info header is described in [RFC7044] that obsoletes
[RFC4244] initially describing the History-Info header. [RFC7044]
defines an optional SIP header field, History-Info, for capturing the
history information in requests and SIP header field parameters for
the History-Info and Contact header fields to tag the method by which
the target of a request is determined. RFC7044 also defines a value
for the Privacy header field that directs the anonymization of values
in the History-Info header field.
Since the Diversion header is used in existing network
implementations for the transport of call diversion information, its
interworking with the SIP History-Info standardized solution is
needed. This work is intended to enable the migration from non-
standard implementations and deployment toward IETF specification-
based implementations and deployment.
This document obsoletes [RFC6044].
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-mohali-rfc6044bis/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-mohali-rfc6044bis-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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